Avoid NullPointerException in WaitForSupportedAppProtocolRes.java
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@ -99,8 +99,9 @@ public class WaitForSupportedAppProtocolRes extends ClientState {
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TimeRestrictions.V2G_EVCC_COMMUNICATION_SETUP_TIMEOUT - elapsedTimeInMs
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));
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} else {
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return new TerminateSession("Invalid message (" + message.getClass().getSimpleName() +
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") at this state (" + this.getClass().getSimpleName() + ")");
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String className = (message != null) ? message.getClass().getSimpleName() : "<unkown message type>";
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return new TerminateSession("Invalid message (" + className + ") at this state (" + this.getClass().getSimpleName() + ")");
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}
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}
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}
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